I would like to know how to read the position information output by BioProspector, MDscan and Weeder.

For example:

BioProspector

>chr3:49727648-49729655    seg 1    r58    -58    TCAAGTGATC
>chr3:49727648-49729655    seg 2    r194    -194    TCAAGCAATC
>chr11:73471365-73473372    seg 1    f296    -1713    TCAAGCGATT

r is reverse strand and f is forward strand in this case is that mean r58 start to count backward 58 bp? And the location information 49729655 - 58 = 49729597 as the reverse start position? Does this apply to MDscan as well?

MDscan

>chr8:145560414-145562421    St f247    CCGGGGGCGG
>chr8:145560414-145562421    St b361    CGCGGCGCGG

Weeder

310 + [TGAGATCA] 1844  (87.75) 
310 - [TGATCTCA] 1844  (87.75) 
310 -  TGACCTCA  1091  (94.84)

May I know what does it mean by the given open and close bracket []? Is the position information same with bioprospector and mdscan? 1844 is the start position if for the case reverse strand - is the location start to count 1844bp from behind? I'm confused here. Explaination needed. Can anyone help me?